One of the aspects of homosexuality in adolescence turns on the axis of the relation to the grandiose father. This alienating representations blocks the subject in a masochist submission leading to infantile auto-erotism. The newness of the arrival of puberty is thwarted in its oedipal expectations : avoidance of castration, the lessening of the symbolic image of the father in games of phallic seduction of the negative Oedipus complex. We offer the hypothesis of an impulse investment of a « maternel father », taking care of the distress of the adolescent, neglected by the mother, by seducting him.